Route 70 is a state highway located in the U.S. state of New Jersey. It extends 59.84 mi (96.30 km) from an interchange with Route 38 in Pennsauken Township, Camden County, east to an intersection with Route 34 and Route 35 in Wall Township, Monmouth County. Route 70 cuts across the middle of the state as a two-lane highway through the Pine Barrens in Burlington and Ocean counties. A popular truck route, it provides access between Philadelphia and the surrounding Delaware Valley metropolitan area and the Jersey Shore resorts, particularly Long Beach Island by way of Route 72. It is also a congested commercial route within Philadelphia's New Jersey suburbs. The western section in Cherry Hill and Marlton is a four- to eight-lane divided highway that serves as a major suburban arterial and is locally known as Marlton Pike. The eastern section in Monmouth and Ocean counties is also a multilane divided highway that runs through suburban areas. Route 70 is officially known as the John Davison Rockefeller Memorial Highway its entire length in honor of John Davison Rockefeller.

Route 38 is a state highway in the southern part of the U.S. state of New Jersey serving the Philadelphia metropolitan area. It extends 19.19 mi (30.88 km) from the Airport Circle, where it intersects U.S. Route 30 and US 130, in Pennsauken Township, Camden County, east to an intersection with US 206 and CR 530 in Southampton Township, Burlington County. The entire route is closely parallel to CR 537 located to the north, being only one block away at places. The route is a multilane divided highway for most of its length and passes through commercial development, residential development, and some farmland.